DE69816129T2 - Reflektierender gegenstand mit verstecktem retroreflektierendem muster - Google Patents

Reflektierender gegenstand mit verstecktem retroreflektierendem muster Download PDF

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Publication number
DE69816129T2
DE69816129T2 DE69816129T DE69816129T DE69816129T2 DE 69816129 T2 DE69816129 T2 DE 69816129T2 DE 69816129 T DE69816129 T DE 69816129T DE 69816129 T DE69816129 T DE 69816129T DE 69816129 T2 DE69816129 T2 DE 69816129T2
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DE
Germany
Prior art keywords
layer
film
light
retroreflective
layers
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69816129T
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German (de)
English (en)
Other versions
DE69816129D1 (de
Inventor
B. Mark O'NEILL
F. Michael WEBER
Jr. Olester Benson
A. John WHEATLEY
M. James JONZA
B. Gary HANSON
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3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Publication of DE69816129D1 publication Critical patent/DE69816129D1/de
Application granted granted Critical
Publication of DE69816129T2 publication Critical patent/DE69816129T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/12—Reflex reflectors
    • G02B5/122—Reflex reflectors cube corner, trihedral or triple reflector type
    • G02B5/124—Reflex reflectors cube corner, trihedral or triple reflector type plural reflecting elements forming part of a unitary plate or sheet
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Laminated Bodies (AREA)
  • Holo Graphy (AREA)
DE69816129T 1998-01-13 1998-12-10 Reflektierender gegenstand mit verstecktem retroreflektierendem muster Expired - Lifetime DE69816129T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US6292 1998-01-13
US09/006,292 US6024455A (en) 1998-01-13 1998-01-13 Reflective article with concealed retroreflective pattern
PCT/US1998/026180 WO1999036806A1 (en) 1998-01-13 1998-12-10 Reflective article with concealed retroreflective pattern

Publications (2)

Publication Number Publication Date
DE69816129D1 DE69816129D1 (de) 2003-08-07
DE69816129T2 true DE69816129T2 (de) 2004-01-08

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
DE69816129T Expired - Lifetime DE69816129T2 (de) 1998-01-13 1998-12-10 Reflektierender gegenstand mit verstecktem retroreflektierendem muster

Country Status (11)

Country Link
US (1) US6024455A (pt)
EP (1) EP1047960B1 (pt)
JP (1) JP2002509277A (pt)
KR (1) KR100552889B1 (pt)
CN (1) CN1138992C (pt)
AU (1) AU738111B2 (pt)
BR (1) BR9814000B1 (pt)
CA (1) CA2316266C (pt)
DE (1) DE69816129T2 (pt)
ES (1) ES2198087T3 (pt)
WO (1) WO1999036806A1 (pt)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016101491A1 (de) * 2016-01-28 2017-08-03 Bundesdruckerei Gmbh Sicherheits- oder Wertprodukt mit retroreflektivem Sicherheitselement

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KR100552889B1 (ko) 2006-02-22
CN1138992C (zh) 2004-02-18
CA2316266C (en) 2008-11-18
DE69816129D1 (de) 2003-08-07
JP2002509277A (ja) 2002-03-26
BR9814000A (pt) 2000-10-10
EP1047960B1 (en) 2003-07-02
BR9814000B1 (pt) 2009-01-13
CN1285047A (zh) 2001-02-21
WO1999036806A1 (en) 1999-07-22
KR20010034060A (ko) 2001-04-25
AU738111B2 (en) 2001-09-06
AU1812699A (en) 1999-08-02
EP1047960A1 (en) 2000-11-02
ES2198087T3 (es) 2004-01-16
US6024455A (en) 2000-02-15

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